Apparent suppression of mutation rates in bacteria by spermine.
D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects*; D066298:In Vitro Techniques; D009154:Mutation; D011831:Radiation Genetics; D013096:Spermine / Q000494:pharmacology*; D013210:Staphylococcus / Q000187:drug effects*; D013307:Streptomycin / Q000494:pharmacology; D014364:Tryptophan / Q000378:metabolism; D014466:Ultraviolet Rays
D013096:Spermine; D014364:Tryptophan; D013307:Streptomycin